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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/4205
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dc.contributor.authorallScotto, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallPezzopane, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.date.accessioned2008-11-24T09:40:29Zen
dc.date.available2008-11-24T09:40:29Zen
dc.date.issued2008-12-21en
dc.identifier.urihttp://hdl.handle.net/2122/4205en
dc.description.abstractThis work describes a simple filter able to eliminate the traces caused by second order reflection from ionograms. This filter is applied to Autoscala in order to smooth out cases in which the autoscaling of the ionogram is mistaken because the second order F2 layer reflection is identified as first order. A dataset of 32626 ionograms recorded at the ionospheric observatory of Rome was used to test the filter.en
dc.language.isoEnglishen
dc.publisher.nameElsevieren
dc.relation.ispartofJournal of Atmospheric and Solar-Terrestrial Physicsen
dc.relation.ispartofseries15/70 (2008)en
dc.subjectIonospheric monitoringen
dc.subjectIonosondeen
dc.subjectAutoscalaen
dc.subjectIonogram autoscalingen
dc.titleRemoving multiple reflections from the F2 layer to improve Autoscala performanceen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber1929-1934en
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.99. General or miscellaneousen
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.06. Instruments and techniquesen
dc.subject.INGV05. General::05.07. Space and Planetary sciences::05.07.99. General or miscellaneousen
dc.subject.INGV05. General::05.07. Space and Planetary sciences::05.07.02. Space weatheren
dc.identifier.doi10.1016/j.jastp.2008.05.012en
dc.relation.referencesBlagoveshchensky, D. V., MacDougall, J. W., Piatkova, A. V., 2006. Ionospheric effects preceding the October 2003 Halloween storm. Journal of Atmospheric and Solar Terrestrial Physics, 68 (7), 821-831. Bowman, G. G., 1964. Ionospheric irregularities and high multiple reflections. Australia Journal of Physics, 17, 480-489. Cander, L., Mihajlovic, S. J., 1998. Forecasting ionospheric structure during the great geomagnetic storms. Journal of Geophysical Research, Vol. 103, No. A1, 391-398. Ding, Z., Ning, B., Wan, W., Liu, L., 2007. Automatic scaling of F2-layer parameters from ionograms based on the empirical orthogonal function (EOF) analysis of ionospheric electron density. Earth, Planets and Space, 59 (1), 51-58. Fox, M. W., Blundell, C., 1989. Automatic scaling of digital ionograms. Radio Science, 24 (6), 747-761. Igi, S., Nozaki, K., Nagayama, M., Ohtani, A., Kato, H., Igarashi, K., 1993. Automatic Ionogram Processing Systems in Japan. Proceedings of Session G4 at the XXIVth General Assembly of the International Union of Radio Science (URSI), Kyoto, Japan, August 25 - September 2. McNamara, L. F., 2006. Quality figures and errors bars for autoscaled Digisonde vertical incidence ionograms. Radio Science, Vol. 41, RS4011, doi:10.1029/2005RS003440. Pezzopane, M., Scotto, C., 2004. Software for the Automatic Scaling of Critical Frequency foF2 and MUF(3000)F2 from Ionograms Applied for the Ionospheric Observatory of Gibilmanna. Annals of Geophysics, 47 (6), 1783-1790. Pezzopane, M., Scotto, C., 2007. Automatic scaling of critical frequency foF2 and MUF(3000)F2: A comparison between Autoscala and ARTIST 4.5 on Rome data. Radio Science, 42 (4), RS4003, doi:10.1029/2006RS003581. Pierce, J. A., Mimno, H. R., 1940. The Reception of Radio Echoes From Distant Ionospheric Irregularities. Physical Review, 57, 95-105. Reinisch, B. W., Huang, X., 1983. Automatic calculation of electron density profiles from digital ionograms 3. Processing of bottomside ionograms. Radio Science, 18 (3), 477-492. Reinisch, B.W., Huang, X., Galkin, I. A., Paznukhov, V., Kozlov, A., 2005. Recent advances in real-time analysis of ionospheric drift measurements with digisondes. Journal of Atmospheric and Solar Terrestrial Physics, 67 (12), 1054-1062. Stahlberg, H., Zumbrunn, R., Engel, A., 2002. Digital Image Processing in Natural Science and Medicine. Available on line at http://www.amp.ucdavis.edu/index.php?p=teachhenningDIP. Thomson, N. R., Rodger, C. J., Dowden, R. L., 2004. Ionosphere gives size of greatest solar flare. Geophysical Research Letter, 31, L06803, doi:10.1029/2003GL019345. Tsai, L. C., Berkey, F. T., 2000. Ionogram analysis using fuzzy segmentation and connectedness techniques. Radio science, 35 (5), 1173-1186. Vijaya Kumar, B. V. K., Mahalanobis, A., Juday, R. D., 2005. Correlation Pattern Recognition. Cambridge University Press, UK, 412pp. Zuccheretti, E., Tutone, G., Sciacca, U., Bianchi, C., Arokiasamy, B. J., 2003. The new AIS-INGV digital ionosonde. Annals of Geophysics, 46 (4), 647-659.en
dc.description.obiettivoSpecifico1.7. Osservazioni di alta e media atmosferaen
dc.description.obiettivoSpecifico3.9. Fisica della magnetosfera, ionosfera e meteorologia spazialeen
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorScotto, C.en
dc.contributor.authorPezzopane, M.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.orcid0000-0002-9437-6775-
crisitem.author.orcid0000-0001-5800-2322-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent01. Atmosphere-
crisitem.classification.parent01. Atmosphere-
crisitem.classification.parent05. General-
crisitem.classification.parent05. General-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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